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Another no power question
Having a problem with my truck not having any power at certain times.
First start up of the day goes ok. Idles poorly though. I leave the driveway and 300 yards down the road the truck starts loping really badly and misfiring until I have absolutely nothing left for power and then the truck dies. I sit for a few seconds, crank it over a for 10 seconds, 2 or 3 times and it fires back up but sounds like a diesel would if it ran out of fuel. Barking and shaking away and then it smooths out. I go down the road after that first shut down and the truck will run, like crap of course, until I approach a hill. When that first hill is presented to the truck it does all the same things that it did when I first leave the driveway. Backfires till it dies. Crank it over a bunch, idles crappy then I keep going up the hill, make it 100 yards, andddd repeat the process.
Ive changed the CPS a few weeks ago for something else.
New fuel filter just the other day because I figured Id start with that, no improvements tho.
Im a boat mechanic by trade and understand how diesels work, but I don't work on diesels on a daily basis, so thats why I came to the pros.
If I were to guess id go with either lift pump or fuel pressure regulator?
Anyone else have ideas?